Home / 10,286.61-14,195.79-6,305.43

Finding the Fourth Proportional to 10,286.61, 14,195.79 and 6,305.43

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Solution

The fourth proportional to 10,286.61, 14,195.79 and 6,305.43 is: 8,701.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.61 : 14,195.79 = 6,305.43 : x
  2. Step 2: Convert to fraction form
    10,286.61/14,195.79 = 6,305.43/x
  3. Step 3: Cross multiply
    10,286.61x = 14,195.79 × 6,305.43
  4. Step 4: Simplify right side
    10,286.61x = 89,510,620.01
  5. Step 5: Solve for x
    x = 89,510,620.01/10,286.61
  6. Step 6: Final answer
    x = 8,701.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.